in the program TTpod, a feature exists in it when you click the “Display Desktop Lyrics”, it has a widget that seems to go over any application I open. I was wondering how to create a button on the screen that would be displayed over any applications I’d open in the future. Thank you for your help.
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If you are talking about a “floating window” that goes over everything (all apps), spend a minute or two searching with the following keywords.
Be CAREFUL though, these can be cantankerous to implement at best (as I’m finding out), since their implementation varies WIDELY on different devices and APIs!